native-sim

Build and debug Zephyr applications on the native_sim board.

59|13|Updated Feb 7, 2026
One-click install
npx skills add https://github.com/beriberikix/zephyr-agent-skills --skill native-sim
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: native-sim
Source: https://github.com/beriberikix/zephyr-agent-skills/tree/main/skills/native-sim
Command: npx skills add https://github.com/beriberikix/zephyr-agent-skills --skill native-sim

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enables rapid host-based Zephyr development and testing using the native_sim board, allowing you to work without physical hardware during early development and debugging.

Core Features & Use Cases

  • Host-based BUILD & RUN: Compile and run Zephyr applications on your host using the native_sim board for fast iteration.
  • Host Debugging & Profiling: Debug with GDB, profile with gprof, and perform memory checks with Valgrind on the host side.
  • CI/CD & Automation: Integrate native_sim workflows into CI pipelines for automated testing of application logic and peripherals.

Quick Start

  • Build for host: west build -b native_sim samples/hello_world
  • Run the app: ./build/zephyr/zephyr.exe
  • Debug with GDB: west debug

Frequently Asked Questions about native-sim

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run Zephyr applications on host without physical hardware?

Run Zephyr applications on host without physical hardware by compiling and executing them with the native_sim board. Use the command `west build -b native_sim` to compile, then run the resulting executable directly on your host machine for rapid iteration.

Can I debug Zephyr apps using GDB and Valgrind on host?

Debug Zephyr apps using GDB and Valgrind on host by leveraging the native_sim board. Execute `west debug` to launch GDB, or use Valgrind to perform memory checks directly on the host-compiled application binary.

What is the best way to integrate Zephyr testing into CI/CD pipelines?

Integrate Zephyr testing into CI/CD pipelines by utilizing the native_sim board to run application logic and peripheral simulations without hardware. Build and run the executable in your automated environment to achieve rapid feedback.

Does native_sim support the West toolchain for building Zephyr samples?

Native_sim fully supports the West toolchain for building Zephyr samples. You compile your application using the standard `west build -b native_sim` command, coordinating seamlessly with existing Zephyr configuration and West workflows.

When should I use host simulation for Zephyr instead of physical hardware?

Use host simulation for Zephyr instead of physical hardware during early development, CI pipelines, and educational labs. It provides rapid feedback and allows GDB profiling when hardware access is limited or unavailable.